Posts Tagged ‘stemcell’

QT{{”
“Early on, the cells in an embryo can turn into any tissue. As these stem cells divide, they can lose this flexibility, committing to becoming one kind of cell or another. After that, cells typically shut down their viral genes.
Viral proteins appear to help keep stem cells from losing this potential. …
Viruses might have exploited embryos to make more copies of
themselves. By keeping their hosts as stem cells for longer, the viruses were able to invade more parts of the embryo’s body.” “}}